Reverse Linked List | Merge Two Sorted Lists | Reverse Order | Leetcode 206 | Leetcode 21 | GFG POTD

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This is the 18th Video on our playlist "Linked List : Popular Interview Problems".
In this video we will try to solve 3 very famous Linked List problems -
Reverse Linked List (Leetcode 206)
Merge Two Sorted Lists (Leetcode 21)
Merge 2 sorted linked list in reverse order (GFG)

I will explain the intuition so easily that you will never forget and start seeing this as cakewalk EASYYY.
We will do live coding after explanation and see if we are able to pass all the test cases.
Also, please note that my Github solution link below contains both C++ as well as JAVA code.

Problem Name : Reverse Linked List | Merge Two Sorted Lists | Merge 2 sorted linked list in reverse order
Company Tags : Google, Amazon, D.E. Shaw , Microsoft

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✨ Timelines✨
00:00 - Introduction

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So can we expect daily GFG potd as well?😃

de_coder
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How do you manage your time bro . Hats off 🙏🏻🔥

aws_handles
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Bro Linked List ko reverse karne ka yeh wla code dekhna pls : -
ListNode* reverseList(ListNode* head)
{
ListNode* curr = head, *prev=NULL;

while(curr != NULL)
{
swap(curr->next, prev);
swap(prev, curr);
}

return prev;
}

molyoxide
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I could figure point the 3 pointer one, just by listening to your story of 5 minutes

ArjunSaxena-wlqs
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Please solve single number 3 . Leetcode 260

rishabh
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gfg wale solution segmentation falt aa rha h last k 5 cases mein

shivanshgaur